January through December, 1992 Abstract:This volume is the sixth in a series of the complete collection of technical papers from the Speech Processing Department, ATR Interpreting Telephony Research Laboratories: I from April 1986 through December 1988 (TR-I-0010), II from November 1987 through December 1988 (TR-I-0065), III from January through October 1989 (TR-I-0115), IV from November 1989 through December 1990 (TR-I-0230), V from January through December 1991 (TR-I-0261), VI from January 1992 through December 1992 (TR-1-0313), and VII from January 1993 through March 1993 (TR-I-0372).